That's according to the website of the Swiss Federal Council, Ukrinform reports.
The Ecumenical Patriarchate of Constantinople, headed by Patriarch Bartholomew, appeared in the list of countries that supported the joint communique.
The Summit on Peace in Ukraine was held on June 15-16 in the Swiss resort of Burgenstock. The summit participants discussed nuclear security, food security and the humanitarian dimension - the exchange of prisoners and the return of kidnapped Ukrainian children.
The final document was signed by 80 states and 4 organizations. The two countries later withdrew their signatures.
The communique remains open for accession by any nation.
The results of the Peace Summit will be handed over to Russian representatives.