Kingdom

Lanka title IDs

The de jure lands of Lanka in patch 1.20.0.3: 3 duchies, 8 counties and 23 baronies, in the order the game nests them. Lanka lies in the empire of Deccan Empire (e_deccan). Its capital is Pihiti.

give_title k_lanka

How to use these IDs in the console

In Steam, add -debug_mode to the game's launch options (Properties → General).
In the game, open the console with the ` key (§, ~ or ^ on some keyboards).
Paste the command (give_title c_dakhina_desa) and press Enter. Using the console turns achievements off for that game.

Maya duchy

give_title d_dakhina_desa

Dakhina Desa county
give_title c_dakhina_desa
- Rayigama · province 3271give_title b_gimhathiththa
- Sitawaka · province 3277give_title b_sitawaka
- Kelaniya · province 3276give_title b_kotte
- Vapinagara · province 3274give_title b_dambadeniya
Malaya county
give_title c_kandy
- Samantakuta · province 3288give_title b_malaya_rata
- Senkadagalapura · province 3278give_title b_senkadagalapura
- Matale · province 3279give_title b_matale

Ruhunu duchy

give_title d_ruhunu

Rohana county
give_title c_rohana
- Magampura · province 3266give_title b_magampura
- Katargama · province 3267give_title b_katargama
- Mahagama · province 3268give_title b_godawaya
Batticaloa county
give_title c_batticaloa
- Batticaloa · province 3280give_title b_batticaloa
- Dighavapi · province 3270give_title b_dighavapi
- Mahiyangana · province 3269give_title b_mahiyangana

Rajarata duchy

give_title d_sinhala

Pihiti county
give_title c_phiti
- Anuradhapura · province 3284give_title b_anuradhapura
- Vavuniya · province 3285give_title b_vavuniya
- Dhamballai · province 3282give_title b_dhamballai
Kotthasara county
give_title c_trincomalee
- Polonnaruwa · province 3273give_title b_polonnaruwa
- Trincomalee · province 3281give_title b_trincomalee
Nagadipa county
give_title c_jaffna
- Jaffna · province 3275give_title b_jaffna
- Mullaitivu · province 3287give_title b_mullaitivu
Pacinadesa county
give_title c_kotte
- Puttalam · province 3283give_title b_puttalam
- Mannar · province 3286give_title b_mannar
- Mahatittha · province 3272give_title b_kurunagala

Source: game/common/landed_titles/00_landed_titles.txt and the English localisation, Crusader Kings III 1.20.0.3. Commands as listed on the official wiki's console page. See also title IDs, character IDs, dynasty IDs and nicknames.