Briesen (Lower Sorbian: Brjazyna, pronounced [ˈbrʲazɨna]) is a municipality in the district of Spree-Neiße, in Lower Lusatia, Brandenburg, Germany.

From 1815 to 1947, Briesen was part of the Prussian Province of Brandenburg.

After World War II, Briesen was incorporated into the State of Brandenburg from 1947 to 1952 and the Bezirk Cottbus of East Germany from 1952 to 1990. Since 1990, Briesen has been part of Brandenburg.

Briesen [Spreewald]: Population development
within the current boundaries (2013)

Year Pop. ±% p.a. 1875 487 —     1890 533 +0.60% 1910 531 −0.02% 1925 488 −0.56% 1933 499 +0.28% 1939 531 +1.04% 1946 820 +6.40% 1950 775 −1.40% 1964 667 −1.07% 1971 633 −0.74% 1981 591 −0.68% 1985 561 −1.29% 1989 539 −1.00% 1990 533 −1.11% 1991 528 −0.94% 1992 524 −0.76% 1993 524 +0.00% 1994 556 +6.11% 1995 602 +8.27% 1996 694 +15.28%

Year Pop. ±% p.a. 1997 761 +9.65% 1998 827 +8.67% 1999 857 +3.63% 2000 871 +1.63% 2001 867 −0.46% 2002 860 −0.81% 2003 851 −1.05% 2004 834 −2.00% 2005 833 −0.12% 2006 824 −1.08% 2007 821 −0.36% 2008 831 +1.22% 2009 825 −0.72% 2010 811 −1.70% 2011 794 −2.10% 2012 807 +1.64% 2013 803 −0.50% 2014 784 −2.37% 2015 767 −2.17% 2016 763 −0.52%