Visitors to Argentina must obtain a visa from one of the Argentinian diplomatic missions unless they come from one of the visa exempt countries.
Visa policy map
Holders of passports of the following 78 jurisdictions can visit Argentina without a visa for up to 90 days:
ID - May enter with an ID card too.
Citizens of the following 3 countries can visit Argentina without a visa for up to 90 days but they must first pay the reciprocity fee online:
Holders of passports of Kosovo, Nauru, Sahrawi Arab Democratic Republic, Taiwan, Tonga and Tuvalu must use a Travel Certificate issued by Argentina instead of a passport when travelling.