Quick Read. This capital-city spine connects sovereign-country reasoning to the city layer. A capital is not automatically the largest, richest or most economically important city; its distinctive job is to concentrate some form of national command. The 25 anchors below deliberately include planned capitals, divided capitals, river capitals, island capitals, mountain capitals, fragile capitals and resource-funded capitals so eduKateAI learns capital-city variance rather than one template.

Capital spine — 25 connected city nodes

• Kabul → Afghanistan — mountain-basin fragile command city.
• Yerevan → Armenia — highland national-service hub.
• Baku → Azerbaijan — Caspian energy-port capital.
• Manama → Bahrain — island financial-service capital.
• Thimphu → Bhutan — small Himalayan command city.
• Phnom Penh → Cambodia — river and floodplain growth capital.
• Nicosia → Cyprus — divided capital with overlapping urban identity and administration.
• Tbilisi → Georgia — river-valley corridor capital.
• Tehran → Iran — mountain-edge national-command metropolis.
• Baghdad → Iraq — Tigris command city shaped by reconstruction.
• Amman → Jordan — water-constrained highland service capital.
• Astana → Kazakhstan — planned steppe command capital.
• Kuwait City → Kuwait — oil-funded coastal desert capital.
• Bishkek → Kyrgyzstan — mountain-edge service capital.
• Vientiane → Laos — small Mekong regional capital.
• Beirut → Lebanon — fragile Mediterranean service-port capital.
• Kuala Lumpur → Malaysia — federal capital inside a polycentric metropolitan system.
• Malé → Maldives — ultra-dense multi-island command city.
• Ulaanbaatar → Mongolia — cold-basin nationally dominant capital.
• Naypyidaw → Myanmar — planned administrative capital distinct from the dominant commercial city.
• Kathmandu → Nepal — heritage-rich mountain-basin capital.
• Muscat → Oman — linear mountain-coast capital.
• Islamabad → Pakistan — planned capital inside a twin-city system with Rawalpindi.
• Doha → Qatar — gas-funded global-service capital.
• Riyadh → Saudi Arabia — inland desert national-command metropolis.

Spider routes

Every node routes upward to its sovereign-country article and outward to the How Cities Work master. This hub adds a batch-level route so the entire capital spine can be traversed without relying on search.

Web routes — capitals that solve related problems

• Planned capitals: Astana ↔ Naypyidaw ↔ Islamabad.
• Mountain / basin capitals: Kabul ↔ Kathmandu ↔ Bishkek ↔ Tehran ↔ Thimphu.
• Gulf engineered capitals: Manama ↔ Kuwait City ↔ Doha ↔ Riyadh ↔ Muscat.
• River capitals: Phnom Penh ↔ Baghdad ↔ Vientiane.
• Fragility / reconstruction: Beirut ↔ Baghdad ↔ Kabul.
• Small national command cities: Thimphu ↔ Vientiane ↔ Malé.
• Caucasus corridor capitals: Yerevan ↔ Baku ↔ Tbilisi.

Hidden routes — non-obvious comparisons

• Malé ↔ Astana: opposite physical extremes—ocean-constrained density versus steppe-scale planning—but both use engineered infrastructure to make a politically chosen capital geometry viable.
• Manama ↔ Tbilisi: very different landscapes, yet both gain reach by acting as regional transaction and corridor nodes larger than their domestic markets.
• Ulaanbaatar ↔ Riyadh: extreme cold versus extreme heat; both reveal how climate converts energy systems into city life-support machinery.
• Nicosia ↔ Islamabad: city identity cannot be inferred from a simple administrative label; division and twin-city function create overlapping geographies.
• Beirut ↔ Ulaanbaatar: both show household-level workarounds becoming part of the real city when formal infrastructure does not fully carry the load.

Deep routes

Use these capitals as entry points into deeper mechanisms: government and authority, climate, geography and geology, and conflict and territorial reach. The point is not to memorise capitals; it is to learn how national command interacts with physical urban systems.

Next expansion rule. Continue the capital spine across the remaining country anchors, then add commercial counter-capitals where political and economic centrality diverge—such as Yangon relative to Naypyidaw—before moving deeper into secondary cities, ports, industrial centres and the wider settlement registry.