▁the ▁city , ▁especially ▁se w age ▁and ▁public ▁buildings . ▁ ▁In ▁the ▁ 1 9 th ▁and ▁ 2 0 th ▁centuries , ▁with ▁the ▁arrival ▁of ▁dem ocracy , ▁the ▁city ▁continued ▁to ▁grow . ▁The ▁reign ▁of ▁Isabel la ▁II ▁saw ▁the ▁construction ▁of ▁the ▁Congress ▁of ▁Deput ies ▁building , ▁in ▁Pu erta ▁del ▁Sol . ▁ ▁Centro ▁currently ▁houses ▁the ▁central ▁government ▁of ▁the ▁Community ▁of ▁Madrid , ▁in ▁Pu erta ▁del ▁Sol . ▁Until ▁ 2 0 0 7 , ▁the ▁City ▁Council ▁of ▁Madrid ▁was ▁also ▁located ▁here , ▁in ▁Pla za ▁de ▁la ▁Villa . ▁At ▁present ▁it ▁is ▁located ▁in ▁Cy be le ▁Palace , ▁in ▁the ▁district ▁of ▁Ret iro . ▁ ▁Ne igh bor hood s ▁The ▁district ▁is ▁divided ▁into ▁several ▁historic ▁neighborhood s ▁( bar rios ), ▁including : ▁▁ ▁Los ▁Aust rias ▁Bar rio ▁de ▁las ▁le tras ▁Ch ue ca ▁Con de ▁Du que ▁La ▁Lat ina ▁Lav api és ▁Mal as aña ▁Sales as ▁ ▁Administr ative ▁w ards ▁ ▁Administr atively , ▁the ▁district ▁is ▁divided ▁into ▁ 6 ▁w ards ▁( also ▁called ▁bar rios ): ▁Cort es ▁Emb aj adores ▁Just icia ▁Universidad ▁Pala cio ▁Sol ▁ ▁Places ▁of ▁Interest ▁Other ▁significant ▁neighborhood s ▁in ▁the ▁district ▁are : ▁Pu erta ▁del ▁Sol ▁Royal ▁Palace ▁of ▁Madrid ▁Pla za ▁Mayor ▁Gran ▁V ía ▁Pla za ▁de ▁España ▁Pla za ▁de ▁Col ón ▁P ase o ▁del ▁Pr ado ▁Pla za ▁de ▁C ib