Arlington Sister City Association (ASCA) is a nonprofit organization affiliated with Arlington County, Virginia. Established in 1993, ASCA supports and coordinates the activities of its five Sister Cities of Aachen, Germany; Coyoacán, Mexico; Reims, France; San Miguel, El Salvador and Ivano-Frankivsk, Ukraine.  ASCA works to enhance and promote the region's international profile and foster productive exchanges in education, commerce, culture and the arts through the following areas of activities: Arts and Culture Partnerships; Economic Development Opportunities; Educational and Professional Exchanges; Global Tourism and Visitation