Related Clues:

• Washington and environs, informally
• The N.I.H. is based in it
• Bethesda is in it
• Region around the Beltway, informally
• Takoma Park, Md., is part of it
• Washington's region, informally
• Georgetown Univ. locale
• Takoma Park, Md., region
• Region with many Commanders fans, briefly