The following is a list of the 187 municipalities (comuni) of the Province of Alessandria in the region of Piedmont in Italy.

List MunicipalityPopulation (2026)Area (km2)DensityAcqui Terme19,01733.30571.1Albera Ligure29221.2313.8Alessandria93,409203.57458.9Alfiano Natta65513.1649.8Alice Bel Colle63212.2151.8Alluvioni Piovera1,56424.7963.1Altavilla Monferrato38611.3334.1Alzano Scrivia3542.13166.2Arquata Scrivia6,33529.24216.7Avolasca24112.2419.7Balzola1,25216.6275.3Basaluzzo2,00915.05133.5Bassignana1,57428.7154.8Belforte Monferrato4868.3358.3Bergamasco66213.4449.3Berzano di Tortona1632.8956.4Bistagno1,69217.5996.2Borghetto di Borbera1,88939.4047.9Borgo San Martino1,3339.72137.1Borgoratto Alessandrino5346.6080.9Bosco Marengo2,14044.5348.1Bosio1,03767.6115.3Bozzole3439.0238.0Brignano-Frascata42017.5324.0Cabella Ligure43746.639.4Camagna Monferrato4649.2550.2Camino73018.4439.6Cantalupo Ligure43124.0617.9Capriata d'Orba1,77628.4762.4Carbonara Scrivia1,1145.05220.6Carentino3119.7931.8Carezzano43710.4841.7Carpeneto84813.3463.6Carrega Ligure7655.261.4Carrosio5196.9275.0Cartosio71116.3443.5Casal Cermelli1,18912.1697.8Casale Monferrato32,46186.21376.5Casaleggio Boiro33512.0127.9Casalnoceto94512.9872.8Casasco1349.0414.8Cassano Spinola1,79617.13104.8Cassine2,81133.0985.0Cassinelle84523.7735.5Castellania Coppi857.2111.8Castellar Guidobono4292.48173.0Castellazzo Bormida4,51945.13100.1Castelletto d'Erro1154.6624.7Castelletto d'Orba1,81113.98129.5Castelletto Merli44511.5938.4Castelletto Monferrato1,4399.58150.2Castelnuovo Bormida63613.1148.5Castelnuovo Scrivia4,80745.42105.8Castelspina3915.4971.2Cavatore24810.4523.7Cella Monte4465.5580.4Cereseto35510.4434.0Cerreto Grue2934.7561.7Cerrina Monferrato1,26417.3073.1Coniolo42010.3040.8Conzano89211.6176.8Costa Vescovato3107.9039.2Cremolino1,00214.3969.6Denice1617.4621.6Dernice17418.289.5Fabbrica Curone53053.849.8Felizzano2,06625.0182.6Fraconalto30717.6217.4Francavilla Bisio4917.7563.4Frascaro4255.2980.3Frassinello Monferrato4498.4353.3Frassineto Po1,34929.5745.6Fresonara6516.9393.9Frugarolo1,88227.0669.5Fubine1,60425.5362.8Gabiano1,03317.7758.1Gamalero78312.1564.4Garbagna63820.7230.8Gavi4,34445.0496.4Giarole6825.45125.1Gremiasco27717.3815.9Grognardo2259.0824.8Grondona47725.9418.4Guazzora2882.80102.9Isola Sant'Antonio65423.5527.8Lerma79714.5454.8Lu e Cuccaro Monferrato1,25527.1046.3Malvicino799.048.7Masio1,27622.2357.4Melazzo1,23619.7462.6Merana1729.2018.7Mirabello Monferrato1,20413.2490.9Molare1,98432.5061.0Molino dei Torti5672.75206.2Mombello Monferrato89019.6945.2Momperone2008.5423.4Moncestino1946.5229.8Mongiardino Ligure14529.035.0Monleale5529.6257.4Montacuto22723.759.6Montaldeo2065.3838.3Montaldo Bormida5765.72100.7Montecastello2727.4936.3Montechiaro d'Acqui50917.6028.9Montegioco2715.4549.7Montemarzino3129.8531.7Morano sul Po1,27017.7171.7Morbello38823.9516.2Mornese66613.2250.4Morsasco59310.2957.6Murisengo1,21015.3179.0Novi Ligure27,42755.20496.9Occimiano1,19522.4653.2Odalengo Grande39715.4325.7Odalengo Piccolo2077.5727.3Olivola1052.6939.0Orsara Bormida3775.1073.9Ottiglio53214.5436.6Ovada10,94135.37309.3Oviglio1,22427.3744.7Ozzano Monferrato1,32215.1887.1Paderna2064.4246.6Pareto50941.7412.2Parodi Ligure59312.5447.3Pasturana1,2635.28239.2Pecetto di Valenza1,15611.35101.9Pietra Marazzi8508.00106.3Pomaro Monferrato32913.4424.5Pontecurone3,57029.70120.2Pontestura1,31718.9269.6Ponti49111.9741.0Ponzano Monferrato32811.6528.2Ponzone1,01369.0314.7Pozzol Groppo31114.0822.1Pozzolo Formigaro4,55836.18126.0Prasco5015.9783.9Predosa1,86033.0156.3Quargnento1,36236.1737.7Quattordio1,43517.7380.9Ricaldone60410.5257.4Rivalta Bormida1,33210.05132.5Rivarone4006.0765.9Rocca Grimalda1,39615.4690.3Roccaforte Ligure11320.595.5Rocchetta Ligure22210.1521.9Rosignano Monferrato1,38719.2871.9Sala Monferrato3267.5843.0Sale3,85344.9285.8San Cristoforo5193.57145.4San Giorgio Monferrato1,2047.12169.1San Salvatore Monferrato4,05331.69127.9San Sebastiano Curone5303.89136.2Sant'Agata Fossili3377.7143.7Sardigliano37512.7429.4Sarezzano1,09613.8579.1Serralunga di Crea5108.8457.7Serravalle Scrivia6,00415.95376.4Sezzadio1,18534.3234.5Silvano d'Orba1,83912.17151.1Solero1,58122.5570.1Solonghello1964.9539.6Spigno Monferrato88754.8616.2Spineto Scrivia3563.9590.1Stazzano2,25917.91126.1Strevi1,94015.29126.9Tagliolo Monferrato1,46026.2155.7Tassarolo5947.0484.4Terruggia8607.27118.3Terzo8178.8092.8Ticineto1,2978.09160.3Tortona26,64398.87269.5Treville2634.6057.2Trisobbio6219.2267.4Valenza18,31348.49377.7Valmacca97312.2979.2Vignale Monferrato92618.7349.4Vignole Borbera2,0668.65238.8Viguzzolo3,09418.31169.0Villadeati45414.6131.1Villalvernia8464.47189.3Villamiroglio2839.8728.7Villanova Monferrato1,70116.56102.7Villaromagnano6506.07107.1Visone1,16912.5693.1Volpedo1,13510.48108.3Volpeglino1293.2539.7Voltaggio64952.1812.4

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See also List of municipalities of Piedmont List of municipalities of Italy