Thailand is a beautiful country with so much to offer. Here's an ideal itinerary for 4 days in Thailand:

Day 1: Bangkok

Start your day by visiting the Grand Palace, which is one of the most famous landmarks in Bangkok. After that, head over to Wat Pho, which is home to the famous reclining Buddha statue. In the afternoon, take a boat ride along the Chao Phraya River and explore the local markets. End your day by experiencing the vibrant nightlife of Bangkok.

Day 2: Chiang Mai

Take a morning flight to Chiang Mai, which is known for its beautiful temples and rich culture. Start your day by visiting the Doi Suthep temple, which is located on top of a mountain and offers stunning views of the city. After that, visit the Chiang Mai Night Bazaar, which is a great place to shop for souvenirs and try local street food. End your day by experiencing a traditional Thai massage.

Day 3: Phuket

Take a morning flight to Phuket, which is known for its beautiful beaches and crystal-clear waters. Start your day by visiting the Big Buddha, which is a 45-meter-tall statue that offers panoramic views of the island. After that, head over to Patong Beach, which is one of the most popular beaches in Phuket. In the evening, experience the vibrant nightlife of Phuket.

Day 4: Phi Phi Islands

Take a day trip to the Phi Phi Islands, which are known for their stunning beaches and crystal-clear waters. Start your day by taking a boat ride to Maya Bay, which is where the movie "The Beach" was filmed. After that, head over to Monkey Beach, which is home to playful monkeys. End your day by snorkeling in the crystal-clear waters of the Phi Phi Islands.

I hope this itinerary helps you plan your trip to Thailand!