The largest concentration of people was away to the north.

The area contains the largest concentration of people in the state.

Most students major in the liberal arts, with business being the second largest concentration.

Byrd's far larger concentration of money came to him by force.

The city is home to the third largest concentration of Fortune 500 companies in the nation.

Who knows what such a large concentration of it could do?

"Probably the largest concentration in the state is out at Logan."

The city has the third largest concentration of manufacturers in the state.

It is believed to be the largest concentration of new construction in the South.

The region is home to 50 million people, including the largest concentrations of Brazil's poor.