Hello! It's great to hear that you're planning a trip to Uruguay, visiting Montevideo, San Gregorio De Polanco, and Colonia Del Sacramento.

Best Time to Visit:
The best time to visit Montevideo and other Uruguayan cities is from October to March, when the weather is warm. Try to avoid the high-season months of January and February to escape the crowds.

Route and Accessibility:
Most visitors start in the capital city, Montevideo. It has the largest international airport, Carrasco, with good connections to other South American countries. Once in Uruguay, the best way to travel is by bus. Buses are comfortable, relatively inexpensive, and are well-connected between the major towns and cities.

Accommodation and Booking:
Both Montevideo and Colonia Del Sacramento have plenty of accommodation options ranging from hostels to 5-star hotels. It's advisable to book in advance, especially during the peak season. San Gregorio De Polanco, being a smaller town, has fewer options but still adequate.

Clothing and Essentials:
As Uruguay has a temperate climate, pack layers for varying temperatures. Don't forget to pack a swimsuit for the beautiful beaches, sunscreen for the sunny days, and a rain jacket, as showers can be frequent in summer.

Health and Safety:
Uruguay is generally safe for travelers. However, in bigger cities like Montevideo, take the usual precautions against pickpocketing and related crimes. Always have travel insurance, and make sure you're up-to-date with routine vaccines before your trip.

Local Etiquette and Respect:
Uruguayans are known to be laid-back and friendly. A handshake is the common greeting. It's considered polite to say 'Hello' (Hola) when entering shops and other public places. Spanish is the main language, so knowing the basics can help you along.