Russia has flagged legal action after Australian bureaucrats scuttled the construction of its new embassy building in Canberra.
Authorities have ordered the "premium" block of land near parliament house be vacated within 20 days.
In 2011, Moscow was granted approval to build a new embassy complex in the central Canberra location, to replace its ageing compound, however, the project has been beset by delays for years.
On Wednesday, the National Capital Authority (NCA) blamed Russia's failure to finish construction within an agreed three-year deadline for the decision to terminate the lease.