Sure! Here are some travel tips for visiting Gdansk, Riga, and Tallinn:

Best Time to Visit:
The best time to visit Gdansk, Riga, and Tallinn is from May to September when the weather is warm. If you enjoy less tourist crowd and a cozy atmosphere, consider travelling during the autumn or spring off-peak season.

Route and Accessibility:
All three cities are well connected by various modes of transport.
You can take a train or a bus from Gdansk to Riga and then to Tallinn. Alternatively, there are direct flights available to all three cities.

Altitude and Acclimatization:
These cities are at a low altitude, so acclimatization is not an issue.

Accommodation and Booking:
Book your accommodations in advance, especially during peak holiday seasons. You’ll find a range of accommodations to choose from, including luxury hotels, affordable hostels, and vacation rentals in all three cities.

Clothing and Essentials:
Pack according to the season: lightweight clothing, a waterproof jacket, comfortable shoes for summer, and warm clothes for winter. An umbrella is a must as it can rain anytime in these cities.

Health and Safety:
Carry basic medicines and a first aid kit. All three cities are generally safe, but beware of pickpockets in crowded places.

Local Etiquette and Respect:
The locals in these cities like to maintain personal space and are culturally sensitive. Respect local customs and traditions. Dress modestly for visiting churches or any other religious place. Learn a few phrases in the local language; it will be appreciated by locals.

Drink responsibly in Riga and Tallinn, as both cities are known for their vibrant nightlife.