Note to any possible spoilers, if not caught up to the most recent chapters.
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THE JOCHID KHANATE ("THE GOLDEN HORDE")
Sovereign — Batu Khan, son of Jochi, grandson of Genghis Khan
Title — Khan of the Jochid Ulus / Commander, Western Campaign
Nominal suzerain — Ogedei, Great Khan, Karakorum
Regent (Sarai) — Saran (Toluid line, quda-married to Batu)
Heir — Toqoqan, entered in the Sarai succession registry
Seat of power — Sarai Batu, eastern Volga
Seal — Wolf's Track (Single right forefoot, independent of Karakorum's own seal)
Civil authority — Khulgen, Ikh Jarghuchi
Intelligence — Nüden, under Siban
City watch — Khüree Tsereg, under Kirsa (Sarai only)
Tribute rate — one-tenth of coin, goods, and levy — standard across every vassal
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TERRITORIES & VASSALS
Core territory
Sarai Batu (capital) — administered, still expanding
Former Volga Bulgaria, Suvar / Bilyar / Bulgar — conquered, integrated
Rus vassals (active theatre, Summer 1237)
Kolomna — submitted intact; Prince Vsevolod held hostage
Tver — submitted; Prince Yaroslav acting as regional agent
Ryazan — razed; Pronya noble households tributary via local intermediary
Vyazma & Dorogobuzh — submission underway
Kozelsk — under assault
Smolensk — untouched, held in political reserve
Steppe vassals
Ulus · Sartat · Kipchak-Cuman · Bashkir · Mordvinian forest clans
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SARAI BATU — THE KHAN'S CAPITAL
Site — eastern Volga channel, above the spring flood-mark line
Ikh Jarghuchi — Khulgen, civil authority over the full apparatus
Household — Saran (regent) · Toqoqan (heir)
Seal — Wolf's Track, pressed on every Jochid document
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DISTRICTS
Administrative Quarter — records hall, Mahmud's ledgers, relay node, Khan's residency
Market District — guild hall, Tükel's stall, civilian yam desk
Upper Residential — stone/brick base houses, merchants, officials
General Residential — mixed population, expanding
Ger Quarter — new arrivals, steppe custom
Workshop District — tanneries, ironworkers, Bulgar craftsmen, refinement yard
River Infrastructure — granary, stone dock
Military District — barracks, engineer depot, fire-weapon magazine, horse lines, relay station, training ground
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ECONOMY & INSTITUTIONS
Guild — hammer-mark + wolf's track; 3 Khwarezm administrators, 5-member council
Settler program — active, land grant + one-year tributary exemption
Craftsman credit — active, materials credit, repaid from production
Bulgar contracts — master-servant, 8 seasons to guild eligibility
Grain reserve — active, market-behavior purchase trigger
Trade contracts — Bukhara paper (quarterly), Tükel agreement, Ayas through-stop
Credit system — letters of credit, dual-seal, seasonal serials
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SECURITY
Khüree Tsereg — city watch, Kirsa commanding
Nüden — field HQ elsewhere, reports route through Sarai's registry
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PROJECTS IN PROGRESS
Military district construction
Third cannon in casting, under Wei
Water channel extension to the horse lines
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THE KHANATE ARMY
Commander-in-chief — Batu Khan
Operational command — Subutai, independent capacity
Baseline strength — ~40,000
Currently — dispersed for the summer plunder, central Rus
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TUMENS
Torghul's Tumen — ~9,500 → Vyazma & Dorogobuzh (grain towns)
Dorbei's Tumen — ~9,200 → forest sweep, split into ~500-rider bands
White Horde (Orda) — ~9,600 → resting, Zhizdra-Oka rally camp
Brothers' Tumen — ~9,000 → assaulting Kozelsk
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SPECIAL UNITS
Khar Kheshig — Suuqai, field, target 1,000 (700 Norse / 300 steppe); baseline ~469
Engineer Corps — Zhao, field, ~450 men; bridging, fortification survey
Fire weapons — Fang, field, 2 cannon, 5 fire-lancers
Nüden — Siban, field
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ALLIED ARMIES (for scale)
Northern Wing — Guyuk & Büri; ~50,000 → Suzdal, north sweep
Southern Wing — Möngke; ~30,000 → Chernigov
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