Excuse me, which countries are Pittsburgh and Oakland? I want accurate information. ..

Pittsburgh, located in the center of American steel industry, is the second largest city in Pennsylvania. Located in the southwest of the state, at the confluence of Allegheny River and Monongahela River, it is the source of Ohio River.

Auckland is the largest city in New Zealand. It is located between two major seaports, dotted with some extinct volcanoes. Auckland is located in Auckland District, North Island, New Zealand. It has more than 50 small islands, half of which are inland towns and half are seaside towns. It is a diversified water world.