"The large influx of refugees into our cities and communes led to the fact that all possibilities for housing them have been exhausted. Now it is impossible to even place them in tents and building containers. The staff of the communes is largely involved in servicing the accommodation centers. This leads to the fact that all other tasks of communes either cannot be fulfilled at all, or in a very limited fashion," an excerpt from the letter, cited by the Rheinische Post newspaper, reads.
Germany, the main destination for many asylum seekers, has been projected to take in up to 1.5 million refugees this year alone.
On Tuesday, a poll by Handelsblatt Business Monitor revealed that Merkel was losing the support of the local business community due to Berlin's refugee policies.