Georgia’s four main opposition groups have rejected Kavelashvili and boycotted parliament.
Kavelashvili is a former MP with the Georgian Dream party and was the only candidate for the job. Zourabichvili has previously denounced his election as a travesty.
Georgian Dream has become increasingly authoritarian in recent years, passing Russian-style laws targeting media and non-government groups who receive foreign funding, and the LGBT community.
It refused to join Western sanctions on Russia after the full-scale invasion of Ukraine, and called the West the “global war party”, making a mockery of its stated aim of joining the EU and Nato.
An overwhelming majority of Georgians back the country’s path to the EU and it is part of the constitution.
But in November, the country’s ruling party said the government would not seek EU accession talks until 2028.
The announcement sparked days of protests, and riot police used tear gas and water cannon against protesters, who fought back by throwing fireworks and stones.
On Saturday, protesters waving Georgian and EU flags gathered again ahead of the inauguration, forming a human chain that spanned kilometres.
“I am out in the street together with my whole family trying somehow to tear out this small country out of the claws of the Russian empire,” one protester told the Associated Press.
