Citizens of CIS countries (except Turkmenistan) and Turkey do not need visas to enter Azerbaijan. Citizens of Iran, Israel, Kuwait, Saudi Arabia, Oman, Bahrain, Qatar, Japan, South Korea, China, Malaysia, Indonesia, Singapore, UAE (including holders of UAE resident visa with a validity period of more than 6 months) and citizens of the USA traveling by New York-Baku direct flight can get visas with 30 day validity upon arrival at the international airports of Azerbaijan.
Citizens of other countries need to obtain electronic visa or apply to the nearest Azerbaijani diplomatic mission before traveling to Azerbaijan.
Note: All foreigners planning to stay in Azerbaijan for more than 15 days should get registered upon place of stay. For this they should apply to the State Migration Service of the Republic of Azerbaijan via one of the following resources:
Find the nearest Azerbaijani embassy to apply for your visa
the information about embassies is updating now...
Argentina
Jose Benjamin Gorostiaga 2176 (C1426CTN), Capital Federal Buenos Aires
buenosaires@azembassy.org.ar , consul@azembassy.org.ar
http://www.azembassy.org.ar/