In 2001, Berlin's boroughs were reorganized. The old East Berlin borough of Mitte, was joined with the boroughs of Wedding, once in the French Sector, and Tiergarten which had been in the British sector before. The new borough (both of which formerly belonged to West Berlin) to form the new Mitte borough. The new borough has an area of 39.47 km2 (15.2 sq mi) and has, as of 2003, about 320,700 inhabitants. The districts in Mitte are Gesundbrunnen, Hansaviertel, Mitte, Moabit, Tiergarten and Wedding.