angrily. They hear a woman (Donna Elvira) singing of having been abandoned by her lover, on whom she is seeking revenge ("" – "Ah, who could ever tell me"). Don Giovanni starts to flirt with her, but it turns out he is the former lover she is seeking. The two recognize each other and she reproaches him bitterly. He shoves Leporello forward, ordering him to tell Donna Elvira the truth about him, and then hurries away. Leporello tells Donna Elvira that Don Giovanni is not worth her feelings for him. He is unfaithful to everyone; his conquests include 640 women and girls in Italy, 231 in Germany, 100 in France, 91 in Turkey, but in Spain, 1,003 ("Madamina, il catalogo è questo" – "My dear lady, this is the catalogue"). In a frequently cut recitative, Donna Elvira vows vengeance. The open country A marriage procession with Masetto and Zerlina enters. Don Giovanni and Leporello arrive soon after. Don Giovanni is immediately attracted to Zerlina, and he attempts to remove the jealous Masetto by offering to host a wedding celebration at his castle. On realizing that Don Giovanni means to remain behind with Zerlina, Masetto becomes angry ("" – "I understand! Yes, my lord!") but is forced to leave. Don Giovanni and Zerlina are soon alone and he immediately begins his seductive arts (Duet: "Là ci darem la mano" – "There we will entwine our hands"). Donna Elvira arrives and thwarts the seduction ("" – "Flee from the traitor!"). She leaves with Zerlina. Don Ottavio and Donna Anna enter, plotting vengeance on the still unknown murderer of Donna Anna's father. Donna Anna, unaware that she is speaking to her attacker, pleads for Don Giovanni's help. Don Giovanni, relieved that he is unrecognised, readily promises it, and asks who has disturbed her peace. Before she can answer, Donna Elvira returns and tells Donna Anna and Don Ottavio that Don Giovanni is a false-hearted seducer. Don Giovanni tries to convince Don Ottavio and Donna Anna that Donna Elvira is insane (Quartet: "" – "Don't trust him, oh sad one"). As Don Giovanni leaves, Donna Anna suddenly recognizes him as her father's murderer and tells Don Ottavio the story of his intrusion, claiming that she was deceived at first because she was expecting a night visit from Don Ottavio himself, but managed to fight Don Giovanni off after discovering the impostor (long recitative exchange