Think Tank Row (Washington, D.C.)

Think Tank Row designates a cluster of think tanks located on or around Massachusetts Avenue NW in Washington, D.C., between Thomas Circle and Dupont Circle. The expression alludes to Embassy Row, a section of Massachusetts Avenue to the northwest, and has been credited to policy pundit James McGann.
The cluster includes:

American Enterprise Institute, on 1785 Massachusetts Avenue NW since 2016
Brookings Institution, on 1775 Massachusetts Avenue NW since 1960
Carnegie Endowment for International Peace, on 1779 Massachusetts Avenue NW since 1989
Center for Strategic and International Studies, on 1616 Rhode Island Avenue NW since 2013
Peterson Institute for International Economics, on 1750 Massachusetts Avenue NW since 2001

It also includes several academic institutions that interact with think tanks:

Carey Business School of Johns Hopkins University, on 1625 Massachusetts Avenue NW
Paul H. Nitze School of Advanced International Studies of Johns Hopkins University, on 1717 and 1740 Massachusetts Avenue NW since 1962
Washington Center of the University of California, on 1608 Rhode Island Avenue NW

Other nearby think tanks include the Aspen Institute, the Atlantic Council, the Middle East Institute, the Milken Institute, the German Marshall Fund, the Center for International Policy, the Institute for Policy Studies, the New America Foundation, and Resources for the Future. The Cato Institute and The Heritage Foundation are also located on Massachusetts Avenue, but some distance from Think Tank Row.