Under the agreement, Latvia is giving up claims to territory seized by the Soviet Union after World War II.
Latvian and Russian leaders signed the pact in March.
Russia's parliament has not yet ratified the treaty.
Neighboring Lithuania signed a border treaty with Russia in 1997. Latvia's other Baltic neighbor, Estonia, has no border agreement with Russia.
Russian President Vladimir Putin (left) with EU foreign policy representative Javier Solana in Sochi in May 2006 (epa)
A POLICY OF APPEASEMENT? Ralf Fuecks, head of the Heinrich Boell Foundation and a Green Party activist, spoke at RFE/RL's Prague broadcast center about the EU's complex relations with a resurgent Russia. RFE/RL President Jeff Gedmin moderated the discussion.
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