diff --git a/app/assets/javascripts/filter.js.coffee b/app/assets/javascripts/filter.js.coffee
index 37862cfc..5e1ea10f 100644
--- a/app/assets/javascripts/filter.js.coffee
+++ b/app/assets/javascripts/filter.js.coffee
@@ -5,5 +5,5 @@ $(document).on 'turbolinks:load', ->
 	$('body.pages form').submit ->
 		$('input[name=utf8]').prop 'disabled', true
 		$(':input', this).filter ->
-			this.value.length == 0
+			this.value.length == 0 && this.name != 'region'
 		.prop 'disabled', true
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index b4d95d9c..3eaaf0b9 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -1,11 +1,13 @@
 # The top level controller, where can be centralised almost everything
 class ApplicationController < ActionController::Base
-  before_action :set_paper_trail_whodunnit
-  before_action :set_locale
+  before_action :set_paper_trail_whodunnit, :set_locale, :set_filters
   # Prevent CSRF attacks by raising an exception.
   # For APIs, you may want to use :null_session instead.
   protect_from_forgery with: :exception
 
+  has_scope :region
+  has_scope :near, type: :hash, using: %i[location distance]
+
   private
 
   def set_locale
@@ -13,6 +15,14 @@ class ApplicationController < ActionController::Base
       http_accept_language.compatible_language_from I18n.available_locales
   end
 
+  def set_filters
+    if params.include? :region
+      session[:region] = params[:region]
+    else
+      params[:region] = session[:region]
+    end
+  end
+
   protected
 
   # Useful to manage absolute url in mails
diff --git a/app/controllers/digests_controller.rb b/app/controllers/digests_controller.rb
index e3a1d44d..bd0359ba 100644
--- a/app/controllers/digests_controller.rb
+++ b/app/controllers/digests_controller.rb
@@ -1,7 +1,7 @@
 # A digest of all events over a period of time
 class DigestsController < ApplicationController
   has_scope :moderated, default: nil, allow_blank: true
-  has_scope :region, :locality, :tag
+  has_scope :locality, :tag
   has_scope :period, allow_blank: true, type: :hash, using: %i[year week],
                      default: (
                        lambda do
diff --git a/app/controllers/events_controller.rb b/app/controllers/events_controller.rb
index dd693b98..3bd59d7a 100644
--- a/app/controllers/events_controller.rb
+++ b/app/controllers/events_controller.rb
@@ -1,8 +1,7 @@
 # Event life cycle
 # This is a central part to this project
 class EventsController < ApplicationController
-  has_scope :region, :locality, :tag, :daylimit, :year
-  has_scope :near, type: :hash, using: %i[location distance]
+  has_scope :locality, :tag, :daylimit, :year
 
   before_action :set_events, only: [:index]
   before_action :set_event, except: %i[index new preview_create create]
diff --git a/app/controllers/maps_controller.rb b/app/controllers/maps_controller.rb
index dff32b4d..bf016012 100644
--- a/app/controllers/maps_controller.rb
+++ b/app/controllers/maps_controller.rb
@@ -2,10 +2,8 @@
 #
 # Access to OSM controls
 class MapsController < ApplicationController
-  has_scope :region, :locality, :tag, :daylimit
   has_scope :future, type: :boolean, default: true
   has_scope :period, type: :hash, using: %i[year week]
-  has_scope :near, type: :hash, using: %i[location distance]
 
   def index
     respond_to do |format|
diff --git a/app/controllers/orgas_controller.rb b/app/controllers/orgas_controller.rb
index 84bed9fb..67f441aa 100644
--- a/app/controllers/orgas_controller.rb
+++ b/app/controllers/orgas_controller.rb
@@ -1,8 +1,5 @@
 # Groups life cycle
 class OrgasController < ApplicationController
-  has_scope :region
-  has_scope :near, type: :hash, using: %i[location distance]
-
   before_action :set_orga, except: %i[index new create]
   before_action :set_mailer_host
   before_action :authenticate_user!, except: %i[index new create show],
diff --git a/app/controllers/stats_controller.rb b/app/controllers/stats_controller.rb
index 532ec544..b84ed995 100644
--- a/app/controllers/stats_controller.rb
+++ b/app/controllers/stats_controller.rb
@@ -1,7 +1,6 @@
 # Generate statistics, around events, by date or place
 class StatsController < ApplicationController
-  has_scope :region, :locality, :tag, :daylimit, :year
-  has_scope :near, type: :hash, using: %i[location distance]
+  has_scope :locality, :tag, :daylimit, :year
 
   before_action :set_events, :counts, :temporal, :local, only: [:index]
 
diff --git a/app/controllers/tags_controller.rb b/app/controllers/tags_controller.rb
index de835530..856a4e0c 100644
--- a/app/controllers/tags_controller.rb
+++ b/app/controllers/tags_controller.rb
@@ -1,6 +1,6 @@
 # Manage event and organisation tags
 class TagsController < InheritedResources::Base
-  has_scope :region, :locality, :daylimit
+  has_scope :locality, :daylimit
   has_scope :period, type: :hash, using: %i[year week]
   has_scope :tag, as: :id
 
diff --git a/app/views/events/index.html.haml b/app/views/events/index.html.haml
index 1e6bf0f0..79b62617 100644
--- a/app/views/events/index.html.haml
+++ b/app/views/events/index.html.haml
@@ -2,12 +2,10 @@
 
 - if params[:year]
   %header.calendar-header.year
-    = link_to year: params[:year].to_i - 1, tag: params[:tag],
-      region: params[:region] do
+    = link_to year: params[:year].to_i - 1, tag: params[:tag] do
       %em.fa.fa-backward
     = params[:year]
-    = link_to year: params[:year].to_i + 1, tag: params[:tag],
-      region: params[:region] do
+    = link_to year: params[:year].to_i + 1, tag: params[:tag] do
       %em.fa.fa-forward
     :ruby
       set_meta_tags(
@@ -39,8 +37,7 @@
 
 .links
   = raw t '.calendar_in',
-    map: link_to(t('.map'), maps_path(tag: params[:tag],
-      region: params[:region])),
+    map: link_to(t('.map'), maps_path(tag: params[:tag])),
     rss: link_to('RSS', events_path(:rss,
       tag: params[:tag], region: params[:region])),
     webcal: link_to('webcal', events_path(tag: params[:tag],
diff --git a/app/views/layouts/application.html.haml b/app/views/layouts/application.html.haml
index bec54fc5..b4c0361d 100644
--- a/app/views/layouts/application.html.haml
+++ b/app/views/layouts/application.html.haml
@@ -25,8 +25,7 @@
       = render '/regions/filter'
 
       %h1= link_to t('.title'), root_path
-      %h2
-        = t '.subtitle'
+      %h2= t '.subtitle'
 
     = render 'layouts/flash', flash: flash if flash.present?
 
@@ -34,10 +33,10 @@
 
     %footer.bottom
       %nav
-        = link_to new_event_path region: params[:region] do
+        = link_to new_event_path do
           %em.fa.fa-pencil
           = t '.propose'
-        = link_to new_orga_path region: params[:region] do
+        = link_to new_orga_path do
           %em.fa.fa-users
           = t '.propose_orga'
         %br/
diff --git a/app/views/orgas/_types.haml b/app/views/orgas/_types.haml
index ef28f53e..75362e0a 100644
--- a/app/views/orgas/_types.haml
+++ b/app/views/orgas/_types.haml
@@ -5,13 +5,13 @@
   - Kind.all.each do |kind|
     - p[:kind_id_eq] = kind.id
     %li{ title: Kind.human_attribute_name("name_#{kind.name}") }
-      = link_to orgas_url(q: p, region: params[:region]) do
+      = link_to orgas_url(q: p) do
         %em.fa{ class: "fa-#{kind.icon}" }
         = @unfiltered_orgas.kind(kind).count
 
   %li
     - p[:kind_id_eq] = params[:q][:kind_id_eq]
     - p[:active_eq] = true
-    = link_to orgas_url(q: p, region: params[:region]) do
+    = link_to orgas_url(q: p) do
       %em.fa.fa-heartbeat
       = @unfiltered_orgas.active.count
diff --git a/app/views/pages/filter.haml b/app/views/pages/filter.haml
index 0086846c..8666c63d 100644
--- a/app/views/pages/filter.haml
+++ b/app/views/pages/filter.haml
@@ -20,7 +20,8 @@
   .field.region
     = label_tag :region, t('.region')
     = select_tag :region,
-      options_from_collection_for_select(Region.all, :id, :name),
+      options_from_collection_for_select(Region.all, :id, :name,
+                                         params[:region]),
       include_blank: true
 
   .helper
diff --git a/app/views/regions/_filter_region.haml b/app/views/regions/_filter_region.haml
index 8b9fc33e..5c14b566 100644
--- a/app/views/regions/_filter_region.haml
+++ b/app/views/regions/_filter_region.haml
@@ -7,8 +7,8 @@
     = link_to filter_region.url do
       = flag_icon filter_region.code.try :downcase
       = filter_region.name
-      - if regions.present?
-        %em.fa.fa-chevron-down
+      %sup
+        %em.fa.fa-external-link
   - else
     = link_to region: filter_region.id,
       start_date: params[:start_date],
diff --git a/app/views/simple_calendar/_month_calendar.html.haml b/app/views/simple_calendar/_month_calendar.html.haml
index 58367aac..2a1819dc 100644
--- a/app/views/simple_calendar/_month_calendar.html.haml
+++ b/app/views/simple_calendar/_month_calendar.html.haml
@@ -1,17 +1,17 @@
 %header.calendar-header
   - if params[:year]
     = link_to start_date: start_date.beginning_of_month,
-      tag: params[:tag], region: params[:region] do
+      tag: params[:tag] do
       = I18n.t('date.month_names')[start_date.month]
       = start_date.year
   - else
     = link_to '<<', start_date: (date_range.first - 1.day).beginning_of_month,
-      tag: params[:tag], region: params[:region]
+      tag: params[:tag]
     = I18n.t('date.month_names')[start_date.month]
     = link_to root_path(year: start_date.year) do
       = start_date.year
     = link_to '>>', start_date: (date_range.last + 1.day).beginning_of_month,
-      tag: params[:tag], region: params[:region]
+      tag: params[:tag]
 
 %table.table.table-striped
   %thead