Georgian Prime Minister Irakli Garibashvili and Philip Reeker, the Senior Adviser of the United States Department of State for Caucasus Negotiations and the Geneva International Discussions, met in Tbilisi on Monday to discuss Russia’s war in Ukraine, regional and global security challenges and the situation in Georgia’s Russian-occupied Abkhazia and Tskhinvali (South Ossetia) regions, the Administration of the Government of Georgia said.