Marika Mitsotakis

New Democracy leader Kyriakos Mitsotakis vowed during his victory speech on Sunday night  to "work hard to represent all Greeks."

"We are too few to stay divided," he said.

New Democracy leader Kyriakos Mitsotakis on Thursday met with US Ambassador Geoffrey Pyatt who congratulated him on the results of European, regional and local elections, reports say.

Talks reportedly also centered on bilateral relations and regional developments.

The results of runoffs for local and regional government herald "the second step" toward a major political change for Greece, opposition leader Kyriakos Mitsotakis said on Sunday, as his New Democracy party was seen sweeping almost all of the country's 13 regional units and key municipalities.

Opposition New Democracy leader Kyriakos Mitsotakis has demanded the resignation of Prime Minister Alexis Tsipras and early elections in the wake of what appears to be a resounding defeat for the governing leftists on Sunday night.

Conservative former prime minister Costas Karamanlis expressed support for New Democracy leader Kyriakos Mitsotakis as he arrived at the main party rally in central Athens on Wednesday evening.

Main opposition leader Kyriakos Mitsotakis expressed his support on Friday for the rights of the Greek ethnic minority in Albania in a meeting with its representatives in Athens.

Mitsotakis said that Albania needs to respect their property rights and abolish the so-called "minority zones," to improve its relations with Greece and make progress in opening accession talks with the EU.

Global markets are anticipating a change in the Greek political scene this year, opposition New Democracy leader Kyriakos Mitsotakis has told Bloomberg.

"Markets have priced in a political change that favors investment in Greece and political stability after the national election," Mitsotakis was quoted as telling the agency in an interview in his Athens office last week.

Russia can depend on Greece as a reliable partner, conservative opposition leader Kyriakos Mitsotakis said Thursday, adding that a New Democracy government would work toward strengthening bilateral ties between Athens and Moscow.

Main opposition New Democracy leader Kyriakos Mitsotakis, who is paying a two-day visit to Russia with a party delegation, met on Thursday with Russian Prime Minister Dmitry Medvedev.

Main opposition leader Kyriakos Mitsotakis will pay a two-day visit to Russia on February 27-28, New Democracy said in a press release.

During his visit, he will meet with Prime Minister Dmitry Medvedev and other senior members of the Russian government.