Situated in the northwest of Cambodia, Siem Reap is a popular tourist destination and serves as the gateway to the ancient temples of Angkor Wat, a UNESCO World Heritage site. The city has seen significant growth in recent years, with a range of hotels, restaurants, and markets catering to tourists.

Located in the northwest near the border with Thailand, Battambang is Cambodia's second-largest city. It is known for its well-preserved French colonial architecture, Buddhist temples, and the famous Bamboo Train, a unique form of local transportation.

Situated on the southwestern coast of Cambodia, Sihanoukville is a coastal city known for its beautiful beaches, such as Ochheuteal Beach and Serendipity Beach. It has been a popular destination for tourists and expatriates, and it serves as a major port for international trade.

Located in the central part of Cambodia along the Mekong River, Kampong Cham is the third-largest city in the country. It is known for its scenic riverfront, French colonial architecture, and the 12th-century Wat Nokor temple.

The currency in Cambodia is the Cambodian Riel (KHR), but US dollars are widely accepted and used in most tourist areas. Major establishments, such as hotels, restaurants, and larger stores, also accept credit cards. However, it's always a good idea to carry some cash, especially in rural areas and smaller establishments that may not accept cards.

Most visitors to Cambodia require a visa to enter the country. Tourist visas can be obtained on arrival at major airports and land border crossings, or in advance through online e-visa applications or at Cambodian embassies and consulates. It's important to check the visa requirements based on your nationality before traveling.

Transportation within Cambodia can be done by various means. In cities like Phnom Penh and Siem Reap, taxis, tuk-tuks, and motorbike taxis (known as moto-dops) are commonly used. For longer distances, buses, domestic flights, and private taxis or car rentals are available. Boat travel is also an option, particularly for reaching certain areas like Battambang or Sihanoukville.

Cambodian street food offers a wide array of flavors and is generally safe to eat. It's advisable to choose stalls with high turnover and where the food is freshly prepared and cooked in front of you. Look for popular local spots and follow the lead of locals to find delicious and hygienic street food options.

Cambodia has its own cultural customs and etiquette. Some general tips include dressing modestly when visiting temples, covering your shoulders and knees. Remove your shoes before entering pagodas or someone's home. When interacting with locals, it's polite to greet with a slight bow or a "Sampeah" gesture, which is bringing your palms together in a prayer-like position.

While Phnom Penh and Siem Reap are popular destinations, Cambodia offers more to explore. Consider visiting the coastal city of Sihanoukville, the scenic riverside town of Kampot, the beach town of Kep, or the historical sites of Battambang. The northeastern province of Ratanakiri and the remote temple of Preah Vihear are also worth considering for off-the-beaten-path experiences.

Having travel insurance is highly recommended for any international trip, including Cambodia. It can provide coverage for medical emergencies, trip cancellations, lost baggage, and other unforeseen circumstances. Ensure that your insurance policy covers the activities you plan to engage in, such as adventure sports or motorbike rentals.