Bryn Mawr (pronounced /ˌbrɪnˈmɑːr/;
from Welsh for "Big hill") is a census-designated place (CDP) located across Radnor and Haverford Townships in Delaware County, Pennsylvania and Lower Merion Township, Montgomery County, Pennsylvania, just west of Philadelphia along Lancaster Avenue (US-30) and the border with Delaware County. Bryn Mawr is located toward the center of what is known as the Main Line, a group of affluent Philadelphia suburban villages stretching from the city limits to Malvern. As of the 2010 census, it had a population of 3,779. Bryn Mawr is home to Bryn Mawr College.
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