approximately midway between Lake Erie and Lake Ontario.

There are a pair of twin cities, one on each side of the boundary:

The region is divided by the border between the Canadian province of Ontario and the US state of New York.

Niagara Falls (Ontario) in Canada's Niagara Region

Niagara Falls (New York) in the United States of America's western New York Niagara County

Three waterfalls (the Horseshoe Falls, the American Falls and the Bridal Veil Falls) and a group of islands

 they serve as a huge source of hydroelectric power and are well illuminated at night.

Niagara serves as gateway to attractions in the surrounding Niagara Region, 

four to six million cubic feet (168,000 m³) of water falling every minute, 

the combined falls form the highest flow rate of any waterfall in the world.