Croatian troops will participate in four multinational battalions that NATO will deploy in Eastern Europe, Croatia's Foreign and European Affairs Minister Miro Kovac said in Warsaw on Friday.
NATO defence ministers on Tuesday paved the way for their military alliance to step up its troop presence in Eastern Europe, in a move likely to further ratchet up tensions with Russia.
The Opposition criticised the adoption of the amended legislation without conducting a public debate on the matter.
As the first Russian servicemen headed home from Syria on Tuesday, Moscow said it planned to keep at least 800 in the country to man its airbase and naval facility there.
The United States has no comment on reports that Russia is preparing to withdraw most of the troops it has sent to Syria.
"Thereby, they are showing that they are an accidental government and that we have no government, yet we should have it."
Croatian People's Party (HNS) leader and former Foreign Minister Vesna Pusic said on Tuesday that deploying troops to the border is not the way to deal with the ongoing refugee crisis.
"It's hard for me to say at this point if it is necessary to send troops to the border. Some countries have done so, and whether or not Croatia will need to do the same will depend on a security...