A source of joy

The Glehn Castle (Estonian: Glehni loss, also Mustamäe Manor, German: Hohenhaupt) is a castle on the hillside of Nõmme, part of Tallinn, Estonia.

Vana-Mustamäe (Estonian for "Old Black Hill") is a neighborhood of Nõmme in Tallinn, the capital of Estonia. It has a population of 2,066 (As of 1 January 2014). It borders Hiiu and Pääsküla to the south, Nõmme to the southeast, Mustamäe to the northeast, Kadaka to the north, Astangu to the northwest, and Mäeküla to the west.