Here's a map of Anvil as it is right now:
A couple of places are still unaccounted for, indicated below. Some places, like the shrines at 36 and 56, are not actually interiors, just places of note in the exterior space.
Garden Quarter
1. Castle Umbranox
2. Lighthouse
3. High Temple of Dibella/Sacred Baths/Brothel [Imperial Cult]
4. Praetorate [Imperial Curia]
5. Garden House
6. Colo-Nordic Manor [Free Estates Movement]
7. Saint Amiel Maritime Circle [Imperial Legion-affiliated]
8. Colo-Nordic Noble Manor
9. Wealthy Merchant Manor
10. Retired Navy Commander/Colo-Nordic Manor
11. Wealthy Merchant Manor
12. Wealthy Merchant Manor
13. Expensive Armorsmith
14. Merchant Manor
15. Expensive Alchemist
16. Expensive Jeweler/Perfume Seller
17. Expensive Clothier
18. Expensive Weaponsmith
19. The Count's Arms Inn [Beds]
20. Merchant Manor
Gateway Quarter
21. Saint Naharine Circle
22. Stables and Caravan Stop [Fast Travel]
23. Fighters Guild [Fighters Guild]
24. ???Emperor Zero Temple?
25. Loan Shark & Pawnbroker [Thieves Guild-affiliated]
26. The Abecette Gambling Palace & Hotel [Beds]
27. Mages Guild [Mages Guild]
28. Middle-Class Apartments [3 places]
29. Morvayn's Peacemakers [Middle-Class Smith]
30. Middle-Class Apartments [3 places]
31. Poor Herbalist Shop [Apothecary]
32. General Merchant/Pottery Shop
33. Lower Class Apartments [4 places]
34. Poor Clothier
35. ???Shop?
36. Shrine to the Market-Saints
37. Middle-Class Apartments [3 places]
38. Census & Excise Office
39. Middle-Class Apartments [2 places]
40. ???General Merchant?
41. Abandoned Warehouse
42. Harbormaster's Office
43. Warehouse
44. Warehouse
Harbor Quarter
45. ???Large House?
46. Middle-Class Apartment [3 places]
47. East Empire Negotiator Manor
48. Merchant Captain Manor
49. Briricca Company Offices
50. Abecean Trading Company Warehouse
51. White Scarab Cooperative Warehouse
52. East Empire Company Warehouse
53. Silk Merchant Offices/Silk Exchange [Silk Weaver Guild & primitive stock exchange]
54. Middle Class Apartments [3 places]
55. Ship [Fast Travel]
56. Shrine to Kynareth and the Sea-Saints
Sailor Quarter
57. ???Guard House?
58. ???General Merchant?
59. Poor Inn/Gambling House/Thieves Guild Headquarters [Thieves Guild]
60. Poor Pawnbroker [Thieves Guild-affiliated, Fence]
61. Poor Apartments [4 places]
62. Poor Apartments [3-4 places]
63. Poor Apartments [3 places]
64. Poor Flophouse
65. Poor Flophouse
66. Poor Apartments [3 places]
67. Poor Apartments [3-4 places]
68. Poor Flophouse [Placid Drowner Cult hideout, quest-related]
69. Poor Flophouse
70. Poor Flophouse
71. Orc House [quest-related]
72. Poor Apartments [4-5 places]
73. Poor Apartments [3 place]
74. Poor Brothel/Gambling House
75. The Flowing Bowl [Beds]
76. West Navy Headquarters & Barracks [Imperial Legion]
77. West Navy Storage
78. West Navy Watchtower