diff --git a/Control/Monad/Trans/Region/Instances/MTL.hs b/Control/Monad/Trans/Region/Instances/MTL.hs
new file mode 100644
--- /dev/null
+++ b/Control/Monad/Trans/Region/Instances/MTL.hs
@@ -0,0 +1,61 @@
+{-# LANGUAGE UnicodeSyntax
+           , NoImplicitPrelude
+           , MultiParamTypeClasses
+           , FlexibleInstances
+           , UndecidableInstances
+  #-}
+
+-------------------------------------------------------------------------------
+-- |
+-- Module      :  Control.Monad.Trans.Region.Instances.MTL
+-- Copyright   :  (c) 2010 Bas van Dijk
+-- License     :  BSD3 (see the file LICENSE)
+-- Maintainer  :  Bas van Dijk <v.dijk.bas@gmail.com>
+--
+-- This module provides instances for the mtl monad classes for 'RegionT's.
+--
+--------------------------------------------------------------------------------
+
+module Control.Monad.Trans.Region.Instances.MTL where
+
+-- from mtl:
+import Control.Monad.Cont.Class   ( MonadCont, callCC )
+import Control.Monad.Error.Class  ( MonadError, throwError, catchError )
+import Control.Monad.RWS.Class    ( MonadRWS )
+import Control.Monad.Reader.Class ( MonadReader, ask, local )
+import Control.Monad.State.Class  ( MonadState, get, put )
+import Control.Monad.Writer.Class ( MonadWriter, tell, listen, pass )
+
+import Control.Monad.Trans ( lift )
+
+-- from unicode-symbols:
+import Data.Function.Unicode ( (∘) )
+
+-- from regions:
+import Control.Monad.Trans.Region ( RegionT
+                                  , liftCallCC
+                                  , liftCatch
+                                  , mapRegionT
+                                  )
+
+instance MonadCont pr ⇒ MonadCont (RegionT s pr) where
+    callCC = liftCallCC callCC
+
+instance MonadError e pr ⇒ MonadError e (RegionT s pr) where
+    throwError = lift ∘ throwError
+    catchError = liftCatch catchError
+
+instance MonadRWS r w st pr ⇒ MonadRWS r w st (RegionT s pr)
+
+instance MonadReader r pr ⇒ MonadReader r (RegionT s pr) where
+    ask   = lift ask
+    local = mapRegionT ∘ local
+
+instance MonadWriter w pr ⇒ MonadWriter w (RegionT s pr) where
+    tell   = lift ∘ tell
+    listen = mapRegionT listen
+    pass   = mapRegionT pass
+
+instance MonadState st pr ⇒ MonadState st (RegionT s pr) where
+    get = lift get
+    put = lift ∘ put
diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,31 @@
+Copyright (c) 2010 Bas van Dijk
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * The name of Bas van Dijk and the names of contributors may NOT
+      be used to endorse or promote products derived from this
+      software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/Setup.hs b/Setup.hs
new file mode 100644
--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,3 @@
+import Distribution.Simple
+
+main = defaultMain
diff --git a/regions-mtl.cabal b/regions-mtl.cabal
new file mode 100644
--- /dev/null
+++ b/regions-mtl.cabal
@@ -0,0 +1,23 @@
+name:          regions-mtl
+version:       0.3.1.4
+cabal-version: >=1.6
+build-type:    Simple
+license:       BSD3
+license-file:  LICENSE
+copyright:     2010 Bas van Dijk
+author:        Bas van Dijk
+maintainer:    Bas van Dijk <v.dijk.bas@gmail.com>
+stability:     experimental
+category:      Control, Monadic Regions
+synopsis:      mtl instances for the RegionT monad transformer
+
+source-repository head
+  Type:     darcs
+  Location: http://code.haskell.org/~basvandijk/code/regions-mtl
+
+Library
+  GHC-Options: -Wall -fno-warn-orphans
+  build-depends: base-unicode-symbols >= 0.1.1 && < 0.3
+               , mtl                  >= 2.0   && < 2.1
+               , regions              >= 0.4   && < 0.9
+  exposed-modules: Control.Monad.Trans.Region.Instances.MTL