I will travel on October 17th. Is it suitable to go to the UK or Greece?

Greece.

1. Suitable climate: In October, the temperature in Greece is still pleasant, with warm sunshine and beaches, suitable for beach vacations and water activities. However, in October, the temperature in the UK is cold and the climate is not suitable.

2. The island scenery is good: The scenery of the Greek islands is beautiful in October. You can enjoy the pleasant beaches, blue water and resorts on the islands of Santorini and Mykonos, while the British The island landscape is not beautiful in October and you cannot enjoy the pleasant beaches.