Ada Ciganlija (Serbian Cyrillic: Ада Циганлија; pronounced [ˈǎːda tsiˈɡǎnlija]), colloquially shortened to Ada, is a river island that has artificially been turned into a peninsula, located in the Sava River's course through central Belgrade, the capital of Serbia. The name can also refer to the adjoining artificial Lake Sava and its beach.