Hispana actually.
From regions_group table which defines the name of the legions.
Code:
roman_legacy_generic_adiutrix Adiutrix
roman_legacy_generic_alaudae Alaudae
roman_legacy_generic_antiqua Antiqua
roman_legacy_generic_apollinaris Apollinaris
roman_legacy_generic_augusta Augusta
roman_legacy_generic_concordialis Concordialis
roman_legacy_generic_dialis Dialis
roman_legacy_generic_equestris Equestris
roman_legacy_generic_ferrata Ferrata
roman_legacy_generic_fidelis Fidelis
roman_legacy_generic_fretensis Fretensis
roman_legacy_generic_fulminata Fulminata
roman_legacy_generic_gemina Gemina
roman_legacy_generic_herculia Herculia
roman_legacy_generic_invicta Invicta
roman_legacy_generic_iovia Iovia
roman_legacy_generic_liberatrix Liberatrix
roman_legacy_generic_martia Martia
roman_legacy_generic_minervia Minervia
roman_legacy_generic_primigenia Primigenia
roman_legacy_generic_rapax Rapax
roman_legacy_generic_veneria Veneria
roman_legacy_generic_victrix Victrix
roman_legacy_generic_vulcania Vulcania
roman_legacy_navy_specific_alexandrina Alexandrina
roman_legacy_navy_specific_anderetianorum Anderetianorum
roman_legacy_navy_specific_atlantica Atlantica
roman_legacy_navy_specific_britannica Britannica
roman_legacy_navy_specific_carpathia Carpathia
roman_legacy_navy_specific_misenensis Misenensis
roman_legacy_navy_specific_perinthia Perinthia
roman_legacy_navy_specific_ravennas Ravennas
roman_legacy_navy_specific_rhodani Rhodani
roman_legacy_navy_specific_sambrica Sambrica
roman_legacy_navy_specific_venetum Venetum
roman_legacy_specific_aegypta Aegyptia
roman_legacy_specific_aethiopica Aethiopica
roman_legacy_specific_africana Africana
roman_legacy_specific_alpina Alpina
roman_legacy_specific_aquitanica Aquitanica
roman_legacy_specific_arabica Arabica
roman_legacy_specific_armeniaca Armeniaca
roman_legacy_specific_asiana Asiana
roman_legacy_specific_bactriana Bactriana
roman_legacy_specific_belgica Belgica
roman_legacy_specific_britannica Britannica
roman_legacy_specific_caspia Caspia
roman_legacy_specific_caucasia Caucasia
roman_legacy_specific_cyrenaica Cyrenaica
roman_legacy_specific_dacica Dacica
roman_legacy_specific_gallica Gallica
roman_legacy_specific_germanica Germanica
roman_legacy_specific_graeca Graeca
roman_legacy_specific_hispana Hispana
roman_legacy_specific_illyrica Illyrica
roman_legacy_specific_indica Indica
roman_legacy_specific_italica Italica
roman_legacy_specific_libyca Libyca
roman_legacy_specific_macedonica Macedonica
roman_legacy_specific_mauretanica Mauretanica
roman_legacy_specific_moesica Moesica
roman_legacy_specific_noricorum Noricorum
roman_legacy_specific_pannonica Pannonica
roman_legacy_specific_parthica Parthica
roman_legacy_specific_persica Persica
roman_legacy_specific_pontica Pontica
roman_legacy_specific_sarmatica Sarmatica
roman_legacy_specific_scythica Scythica
roman_legacy_specific_seleucena Seleucena
roman_legacy_specific_syriaca Syriaca
roman_legacy_specific_thracica Thracica