You may need a visa for Vietnam if you have a Polish passport

Travelers need a visa to visit Vietnam for Business or Tourism. An eVisa is the fastest and easiest way of obtaining a visa for Vietnam because travelers can submit their application and supporting documents online. Once the application is approved, travelers receive their eVisa confirmation electronically. Entry to Vietnam with an eVisa is supported at 13 airports, 16 land borders, and 13 seaports. Different requirements apply to: Travelers visiting Vietnam on tours organized exclusively by Vietnamese companies providing international tourist services: -These travelers do not require a visa for a maximum stay of 45 days. -This exemption does not cover private tourist visits, business visits, or visits not organized by an approved Vietnamese travel agency. -Travelers should contact their Vietnamese travel agency for details on the required documents for this exemption. Travelers arriving in Pau Quoc (PQC) do not require a visa for 30 days, provided they meet the following conditions: -Travelers arrive and depart directly from Phu Quoc by air or sea; -Travelers have proof of onward ticket to a country outside Vietnam within 30 days of arrival; -Travelers are not prohibited from entering Vietnam.