The basal ganglia is roughly defined as the areas in the brain that, if damaged, would disrupt motor abilities. The exact definition has changed with increased understanding of the functioning of the brain. The most common definition includes the following areas: caudate nucleus[?], globus pallidus[?], putamen, and the substantia nigra.
... 948 km (589 miles) long, and 25 to 170 km (16 to 105 miles) wide, with an area of 78,000 km² (24,560 sq. miles). The capital of Sakhalin is Yuzhno Sakhalinsk[?] ...