Kampot
I intend to start in Kampot because many retired people and expats choose to live there for many reasons. Kampot is on the southern coastal ocean, with a large river running through town. Mountains surround it, and it usually has the best weather. Kampot has been a tourist destination for a few hundred years, and it was developed mainly by the French. A riverside park and promenade have recently been completed, and whatever something exciting might happen in Kampot will happen there.
Koh Kong
I lived in Koh Kong for six years and learned a lot about its history. Koh Kong is a long way from any place. One must cross five large rivers to get to Phnom Penh. The last bridge to Phnom Penh was completed ten years ago, long before the roads were passable during the rainy season. The road to Thailand was built in 2002 by the Chinese so they could create an economic zone across the border and have some place for the local Khmer to live.
Historically, and for possibly a few thousand years, Koh Kong's freshwater estuary was a pirate's cove. All the people born before the bridges considered Koh Kong a private domain, and they still do. There is only one road into Koh Kong, the southern route to Thailand, and the locals are fine with that. If you like water and want to have a boat, this is the place to go in Southeast Asia.
Battambang
Battambang is as far away from any place as many places are in Cambodia. There is a river running through town and many old temples. Battambang might be the least developed place on our list, but it has more historically accessible places. Staying here will be the least expensive choice and still lovely.
Siem Reap
Siem Reap is the location of Angkor Wat, a World Heritage Site visited by millions of tourists annually. Siem Reap is well figured out, with excellent restaurants and accommodations. If you want an inspirational excursion, Siem Reap is the place to go. I expect Angkor Wat is so amazing because it is so unexpected. I have been to and lived in numerous temples and meditation centers, none of which comes close to the engineering and symbolism of this temple complex. I do not have adequate words, though pictures can help.
Phnom Penh
If you like cities, Phnom Penh is the place to go. There are museums, cultural centers, entertainment, spectacular Buddhist temples, and a whole lot more. Waterfront walkways, riverboat tours, and excursions are accessible and convenient. It is about twice as expensive as living in smaller towns but within most low-end budgets. Phnom Penh is an international city that attracts numerous cultures with multinational diversity. It is a good place to live.
Koh Rong Island
Imagine retiring to Koh Rong, a tranquil island off Cambodia's coast. Here, life slows down to the pace of the sea. With its unspoiled beaches like Long Beach, vibrant marine life for snorkeling, and the magical bioluminescent plankton, this island is a haven for peace-seekers. No cars mean a quieter life, with walking or motorbiking being your transport. Accommodations vary from rustic to cozy, embracing simplicity. Engage with Cambodian culture, enjoy nature, and find your community. Koh Rong isn't just a place to visit; it's a serene chapter in your retirement story.