It's Nice To Be Neighbours.

The series tells the story of two couples separated only by a wall through which many things can be heard. Ivo and Silvika Špeh live on one side, Beno and Žuža Sagadin live on the other. Beno and Ivo have been friends since their youth, so they share a very special bond. Žuža and Silvika try to get the best out of their husbands, but sometimes it breaks down.