Baarle-Hertog is a municipality located in the Belgian province of Antwerp. The municipality only comprises the town of Baarle-Hertog proper. On January 1st, 2000 Baarle-Hertog had a total population of 2,120 (1,066 males and 1,054 females). The total area is 7.40 km² which gives a population density of 286.49 inhabitants per km².

Baarle-Hertog is noted for its complicated borders with Baarle-Nassau in the Netherlands. In total it consists of 24 separate pieces of land. Apart from the main piece (called Zondereigen) located north of the Belgian town of Merksplas, there are twenty Belgian exclaves in the Netherlands and three other pieces on the Dutch-Belgian border. There are also seven Dutch exclaves within the Belgian exclaves. Six of them are located in the largest one and a seventh in the second-largest one. An eighth Dutch exclave lies in Zondereigen.

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