When visiting Porto, make sure to check the passport and visa requirements for your specific country. Additionally, it's important to stay updated on any vaccination requirements, travel advisories, and entry restrictions that may be in place for foreign visitors. It's always a good idea to consult the official government travel website or contact the local embassy for the most current information before your trip.
For connectivity in Porto, free Wi-Fi is often available in hotels, restaurants, and cafes. Cellular coverage is generally reliable throughout the city, but it's advisable to check with your carrier for international roaming options. Local SIM cards can be purchased from various providers to access affordable data plans. The power outlets in Porto generally supply electricity at 230 volts AC, 50Hz, and use the standard European two-pin plugs, so be sure to bring a suitable adapter for your electronics.
When visiting Porto, it is customary to greet others with a handshake and maintain good eye contact. Portuguese people appreciate polite and respectful behaviour, and it is common to use 'Please' and 'Thank you' in interactions. It is also customary to dress modestly when visiting religious sites. Tipping is appreciated but not mandatory, with around 5-10% of the bill being acceptable in restaurants. When dining out, it is polite to wait for the host to start eating, and it's a good idea to engage in conversation rather than rushing through meals.