On his Twitter account, Foreign Minister Bruno Rodriguez evoked the celebration, six decades ago, of the first summit conference of the Movement held in Indonesia.
Cuba ratifies its common commitment to safeguard the founding principles of Bandung, as well as the Principles and Purposes of the Movement agreed at the 14th Summit held in Havana, the foreign minister said.
Cuba is a founding member of the NAM and has twice held its presidency.
Delegations from 114 countries are participating in the summit in Belgrade.
On Monday, Serbian President Aleksandar Vucic urged to defend multilateralism and foster dialogue as a way to solve conflicts and promote peace.