AUGUSTOO, or AUGUSTOW, a city in Poland, capital of the woivodship of the same name, situated on the river Netta, near a lake. It contains about 4000 inhabitants, and has a considerable trade in horses and cattle. It was founded in 1557 by Sigismund II. (Augustus). The woivodship is the northernmost part of Poland, extending from the Bug to the Niemen, between N. Lat. 52. 40. and 55. 5. E. Long. 21. 20. and 23. 9. Its extent is 6870 square miles, inclosing the greater portion of the lakes of Poland, and many districts of extensive woods, but with some patches of good arable land. It is divided into five obwods or circles, one of which bears the same name.