Kingdom

Aragon title IDs

The de jure lands of Aragon in patch 1.20.0.3: 2 duchies, 16 counties and 48 baronies, in the order the game nests them. Aragon lies in the empire of Hispania (e_spain). Its capital is Zaragoza.

give_title k_aragon

De jure Aragon: 16 counties on the map · who holds it in 1066

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_zaragoza) and press Enter. Using the console turns achievements off for that game.

Aragon duchy

give_title d_aragon

Zaragoza county
give_title c_zaragoza
- Zaragoza · province 1887give_title b_zaragoza
- Ejea · province 1888give_title b_ejea
- Zuera · province 1886give_title b_zuera
- Sariñena · province 1885give_title b_sarinena
Albarracin county
give_title c_albarracin
- Albarracin · province 1936give_title b_albarracin
- Utrillas · province 1943give_title b_sierradesanjust
- Belchite · province 1891give_title b_belchite
Alto Aragon county
give_title c_alto_aragon
- Jaca · province 1807give_title b_jaca
- Alto Aragon · province 3221give_title b_alto_aragon
- Uncastillo · province 8793give_title b_uncastillo
Sobrarbe county
give_title c_sobrarbe
- Sobrarbe · province 1872give_title b_ainsa
- Ribagorza · province 1871give_title b_ribagorza
- Biescas · province 8794give_title b_biescas
Huesca county
give_title c_huesca
- Huesca · province 1873give_title b_huesca
- Barbastro · province 1874give_title b_barbastro
Calatayud county
give_title c_calatayud
- Calatayud · province 1932give_title b_calatayud
- Daroca · province 1934give_title b_daroca
Fraga county
give_title c_fraga
- Monzón · province 8795give_title b_monzon
- Fraga · province 1882give_title b_fraga
Alcaniz county
give_title c_alcaniz
- Alcañiz · province 1892give_title b_alcaniz
- Caspe · province 1883give_title b_caspe
- Calaceite · province 1893give_title b_calaceite

Barcelona duchy

give_title d_barcelona

Barcelona county
give_title c_barcelona
- Barcelona · province 1862give_title b_barcelona
- Sitges · province 1861give_title b_sitges
- Cardona · province 1877give_title b_manresa
- Vic · province 1875give_title b_vic
- Berga · province 1876give_title b_berga
Urgell county
give_title c_urgell
- Urgell · province 1878give_title b_urgell
- Seu d'Urgell · province 8801give_title b_seu_d_urgell
- Andorra · province 1869give_title b_andorra
- Ordanyá · province 1884give_title b_balaguer
Pallas county
give_title c_pallas
- Pallars Jussà · province 8799give_title b_pallars_jussa
- Pallars Sobirà · province 8800give_title b_pallars_sobira
- Vielha · province 1870give_title b_vielha
Cerdaña county
give_title c_puigcerda
- Puigcerdà · province 1868give_title b_puigcerda
- Llivia · province 8797give_title b_llivia
Girona county
give_title c_girona
- Girona · province 1864give_title b_girona
- Ullastret · province 1863give_title b_loredo
- Olot · province 1867give_title b_olot
Rosselló county
give_title c_rossello
- Perpinyà · province 1866give_title b_perpignan
- Prades · province 8798give_title b_prades_rossello
- Roses · province 1865give_title b_roses
Lleida county
give_title c_lleida
- Lleida · province 1881give_title b_lleida
- Agramunt · province 8796give_title b_agramunt
- Prades · province 1879give_title b_prades
Tarragona county
give_title c_tarragona
- Tarragona · province 1860give_title b_tarragona
- Tortosa · province 1859give_title b_tortosa
- Maials · province 1880give_title b_maials

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.