The priciest, smallest and strangest properties in 30 countries

Everyone likes a record: the most expensive villa, the smallest flat, an island with a price tag. We went through public reporting country by country and wrote one article for each of thirty markets. This page is the map. It is general information, not advice and not an offer: nothing below is a listing available through us, and records go out of date quickly.

How to read these numbers

• Most "records" are asking prices, developer claims or press estimates, not registered sale prices. Each country article says which, and names the outlet and month.
• Where we could not find a verified record, the article says so instead of filling the gap. This is the case for several countries below.
• Private individuals are not named. Properties linked to public figures appear only when a major outlet reported them, in neutral terms.
• For a normal buyer a record is a curiosity, not a benchmark. The last section of every article says what actually matters.

Country by country

• Spain: the priciest, smallest and most unusual properties in Spain. Asking-price rankings, islands that have been offered, and why we could not find a verified record sale.
• Greece: Greece. Private islands and islets, a reported price with a view of the Acropolis, and what a foreigner needs near borders and in protected areas.
• Cyprus: Cyprus. The largest reported deal of early 2026 was not a house, village property for modest sums, and a bill on non-EU buyers to check.
• Portugal: Portugal. A reported record for a house near Cascais, windmills, palaces and schist villages.
• Bulgaria: Bulgaria. Mostly commercial records, very cheap houses and a palace sold in 2025.
• Montenegro: Montenegro. Fortress islands, asking prices in Porto Montenegro and Kotor Bay, and what is state-owned.
• Turkey: Turkey. Bosphorus waterfront mansions, cave houses in Cappadocia and an island offered at auction.
• Italy: Italy. The reported record for a villa in Sardinia, islands, lighthouses and the rules for foreigners.
• France: France. Riviera and Paris records, a tiny Paris room, châteaux priced like flats and Brittany islets.
• Germany: Germany. Lakeside and Hamburg villas, a water tower and a castle at modest prices, and a former sea platform auctioned online.
• UAE: UAE. Record penthouses and villas, The World islands and what a foreigner can own.
• Georgia: Georgia. Tower houses, old Tbilisi balconies, the abandoned Batumi tower and why we found no record deals.
• Saudi Arabia: Saudi Arabia. Giga-project islands that are hospitality, not homes for sale, the 2026 foreign-ownership rules, and no verified record villa.
• Austria: Austria. The priciest house sale reported for 2024, castles and alpine huts, and land-transfer rules by state.
• Thailand: Thailand. Developer-claimed records, islands offered for sale, and why a foreigner cannot own the land.
• Indonesia: Indonesia and Bali. Asking prices in Bali, private islands and why foreigners hold Hak Pakai, not freehold.
• Maldives: Maldives. Islands are leased from the state, not bought: a 50-year tender, overwater villas and what a buyer can hold.
• Monaco: Monaco. The priciest market per square metre, a reported record apartment, tiny studios and land taken from the sea.
• Armenia: Armenia. Yerevan prices, cheap village houses, Lake Sevan and rules that depend on the type of land.
• Mauritius: Mauritius. A record villa reported by an agency, the purchase schemes for foreigners and lagoon islets.
• United Kingdom: United Kingdom. A reported £275 million Chelsea sale, the smallest house in Great Britain, Scottish islands and the stamp duty surcharge.
• Switzerland: Switzerland. Asking-price records rather than closed deals, castles that are not cheap, and the Lex Koller rules with a proposed tightening.
• USA: USA. A Central Park penthouse sale, lighthouses and islands, and why state rules and FIRPTA matter to a foreign buyer.
• Brazil: Brazil. Reported prices in São Paulo and Rio, a famous island on the market, and the limits on coastal and rural land.
• Bahrain: Bahrain. Reclaimed islands, freehold zones for foreigners and why we found no single record sale.
• Latvia: Latvia. Jurmala villas, manor houses and a residence-by-property route that has reportedly closed to new applicants.
• Czechia: Czechia. Castles at city-flat prices, two Prague figures that cannot be compared and a state castle at auction.
• Azerbaijan: Azerbaijan. Baku prices, the stalled Khazar Islands project and a residence threshold to check.
• Cambodia: Cambodia. Why foreigners cannot own land, condos above the ground floor and islands that are state land or concessions.
• Estonia: Estonia. A record flat reported by its developer, manor houses and an island listed as an advertising stunt.

Thematic guides

• Private islands for sale: where foreigners can actually buy
• Castles and manors for the price of a flat in Europe
• Lighthouses, water towers and windmills: converted landmarks for sale
• Smallest properties abroad: tiny flats and houses by country
• Whole villages and towns for sale abroad
• Reclaimed land and artificial islands: where you can actually buy
• Where foreigners cannot own land, and what they can hold instead
• Record property headlines: asking price vs sold price

What the extremes teach a normal buyer

• Price per square metre and local rules matter more than a record. Costs, taxes and title checks apply to a small flat the same way as to a palace.
• The unusual often means protected, restricted or hard to finance. Monument protection, coastal laws and military zones appear again and again.
• An island or a castle is a project, not a purchase. The price on the listing is not the cost of what you plan to do with it.
• Check the seller and the title before the dream, and keep to a lawyer you chose yourself.

If you are weighing an unusual object, an independent buyer-side adviser can help you compare and bring in a local lawyer. D.H. Realting works from Warsaw as an independent consultant; ask us how we are paid, as you would ask anyone.